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A surface-promoted redox reaction occurs spontaneously on solvating inorganic aerosol surfaces

Kong, Xiangrui ; Castarède, Dimitri ; Thomson, Erik S ; Boucly, Anthony ; Artiglia, Luca ; Ammann, Markus ; Gladich, Ivan ; Pettersson, Jan B C

Science (American Association for the Advancement of Science), 2021-11, Vol.374 (6568), p.747-752 [Periódico revisado por pares]

United States: The American Association for the Advancement of Science

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Título:
A surface-promoted redox reaction occurs spontaneously on solvating inorganic aerosol surfaces
Autor: Kong, Xiangrui ; Castarède, Dimitri ; Thomson, Erik S ; Boucly, Anthony ; Artiglia, Luca ; Ammann, Markus ; Gladich, Ivan ; Pettersson, Jan B C
Assuntos: Aerosols ; Ammonia ; Ammonium ; Ammonium sulfate ; ammonium-sulfate aerosols ; aqueous-solutions ; Atmospheric chemistry ; Atmospheric models ; binding-energies ; Biochemistry and Molecular Biology ; Biokemi och molekylärbiologi ; Chemical kinetics ; Chemistry ; deliquescence ; First principles ; Gas formation ; interface ; Kinetics ; Molecular dynamics ; Nitrous acid ; Organic Chemistry ; Oxidation ; photochemistry ; Photoelectron spectroscopy ; Photoelectrons ; Reaction kinetics ; Redox reactions ; Science & Technology - Other Topics ; Solvation ; Species ; Sulfate reduction ; Sulfates ; Sulfur ; Wastewater ; Wastewater treatment ; water ; xps
É parte de: Science (American Association for the Advancement of Science), 2021-11, Vol.374 (6568), p.747-752
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: A surface-promoted sulfate-reducing ammonium oxidation reaction was discovered to spontaneously take place on common inorganic aerosol surfaces undergoing solvation. Several key intermediate species—including elemental sulfur (S ), bisulfide (HS ), nitrous acid (HONO), and aqueous ammonia [NH ]—were identified as reaction components associated with the solvation process. Depth profiles of relative species abundance showed the surface propensity of key species. The species assignments and depth profile features were supported by classical and first-principles molecular dynamics calculations, and a detailed mechanism was proposed to describe the processes that led to unexpected products during salt solvation. This discovery revealed chemistry that is distinctly linked to a solvating surface and has great potential to illuminate current puzzles within heterogeneous chemistry.
Editor: United States: The American Association for the Advancement of Science
Idioma: Inglês

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A surface-promoted redox reaction occurs spontaneously on solvating inorganic aerosol surfaces

Kong, Xiangrui ; Castarède, Dimitri ; Thomson, Erik S ; Boucly, Anthony ; Artiglia, Luca ; Ammann, Markus ; Gladich, Ivan ; Pettersson, Jan B C

United States: The American Association for the Advancement of Science

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